B65D 33/16
End- or aperture-closing arrangements or devices
Official title: End- or aperture-closing arrangements or devices (valves of valve bags {B65D31/14}; closures of filled bags B65D77/10)
B65D33/16 (End- or aperture-closing arrangements or devices) appears on 3,591 US grants and 3,774 published applications in this corpus.
Search patents in B65D- Granted patents
- 3,591
- Published applications
- 3,774
- Assignees
- 1,233
- Inventors
- 4,900
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 17 | 0 |
| 1978 | 10 | 0 |
| 1979 | 13 | 0 |
| 1980 | 17 | 0 |
| 1981 | 18 | 0 |
| 1982 | 21 | 0 |
| 1983 | 16 | 0 |
| 1984 | 17 | 0 |
| 1985 | 22 | 0 |
| 1986 | 29 | 0 |
| 1987 | 51 | 0 |
| 1988 | 55 | 0 |
| 1989 | 68 | 0 |
| 1990 | 63 | 0 |
| 1991 | 71 | 0 |
| 1992 | 61 | 0 |
| 1993 | 49 | 0 |
| 1994 | 68 | 0 |
| 1995 | 54 | 0 |
| 1996 | 83 | 0 |
| 1997 | 131 | 0 |
| 1998 | 116 | 0 |
| 1999 | 98 | 0 |
| 2000 | 105 | 0 |
| 2001 | 111 | 42 |
| 2002 | 99 | 122 |
| 2003 | 90 | 197 |
| 2004 | 92 | 202 |
| 2005 | 87 | 159 |
| 2006 | 83 | 187 |
| 2007 | 83 | 134 |
| 2008 | 65 | 151 |
| 2009 | 65 | 129 |
| 2010 | 42 | 144 |
| 2011 | 65 | 148 |
| 2012 | 68 | 155 |
| 2013 | 78 | 120 |
| 2014 | 81 | 156 |
| 2015 | 82 | 156 |
| 2016 | 103 | 157 |
| 2017 | 104 | 187 |
| 2018 | 116 | 176 |
| 2019 | 115 | 158 |
| 2020 | 128 | 152 |
| 2021 | 98 | 155 |
| 2022 | 123 | 144 |
| 2023 | 86 | 139 |
| 2024 | 102 | 116 |
| 2025 | 92 | 112 |
| 2026 | 54 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B65D 33/25Riveting1,821
- B65D 33/18Using adhesive applied to integral parts639
- B65D 33/28Strings or strip-like closures , i.e. draw closures275
- B65D 33/24Using self-locking integral or attached closure elements233
- B65D 33/1616Elements constricting the neck of the bag207
- B65D 33/1658Elements for flattening or folding the mouth portion189
- B65D 33/1691Using adhesive applied to attached closure elements145
- B65D 33/34With special means for indicating unauthorised opening141
Recent patents
- Resealable lidding for rigid thermoformed tubs29 Sep 2026US 12,747,081 B2TOPPAN Packaging Americas Holdings, Inc.
- Harness leg loop15 Sep 2026US 12,733,696 B2Amer Sports Canada Inc.
- Child-resistant front-opening reclosable enclosure15 Sep 2026US 12,735,228 B2Illinois Tool Works Inc.
- Food delivery bag opening support system8 Sep 2026US 12,729,041 B2
- Device for storing used oil, grease and fat1 Sep 2026US 12,722,882 B2CKG Innovations
- Resealable Closure for a Container1 Oct 2026US 2026/0294062 A1YETI Coolers, LLC
- Sterilization packaging1 Oct 2026US 2026/0296704 A1STERIS Inc.
- Storage bag1 Oct 2026US 2026/0296736 A1Universal Trim Supply Co., Ltd.
- Resealable bag enclosure with scalloped tabs24 Sep 2026US 2026/0285545 A1Illinois Tool Works Inc.
- Systems and methods for making a lignin paper pouch, container, or sealing structure17 Sep 2026US 2026/0274518 A1S. C. Johnson & Son, Inc.
Most cited
By later US patents
- Sterile package for surgical devices1,522US 5,356,006 AEthicon, Inc. · 1994
- Protective covering for a hand-held device1,016US 6,273,252 B12001
- Article forming system696US 4,773,182 AHighland Supply Corporation · 1988
- Method for wrapping an object with a material having pressure sensitive adhesive thereon626US 5,111,638 AHighland Supply Corporation · 1992
- Packaging closures integrated with disposable RFID devices490US 7,887,755 B2Binforma Group Limited Liability Company · 2011